When The Rock caught wind of it, he tweeted out, "LOVE THIS. I've played for coaches who remain bad ass and stoic thru ANYTHING. Coach Mark knows damn well what he wants to bring into song!" followed by "Watch closely and for a nano second, Coach D was ready to smile big. Props for staying in the moment. Sing it loud and proud coach!"

Watch closely and for a nano second, Coach D was ready to smile big. Props for staying in the moment. Sing it loud and proud coach! 😂🙌🏾 https://t.co/aEoSwlObEi